Dwyer A-303 Static Pressure Tip

4" insertion length static pressure tip with four radially drilled sensing holes. Fits 3/16" ID rubber or plastic tubing. Includes a magnet to hold tip in place. Sense static pressure drop across air filters and cooling coils, blower input and discharge pressures. For permanent installations or portable use with manometers, Magnehelic gauges, pressure switches, or other controllers.